About the Authors

Sandra Heinrich

Sandra.Heinrich@awi.de

Affiliation Department of Functional Ecology, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

Klaus Valentin

Affiliation Department of Polar Biological Oceanography, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

Stephan Frickenhaus

Affiliation Department of Biotechnology, Hochschule Bremerhaven, Bremerhaven, Germany

Uwe John

Affiliation Department of Ecological Chemistry, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

Christian Wiencke

Affiliation Department of Functional Ecology, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SH KV UJ CW. Performed the experiments: SH. Analyzed the data: SH SF. Contributed reagents/materials/analysis tools: SH KV SF UJ CW. Wrote the paper: SH KV SF UJ CW.